package com.ice.config;


import org.apache.shiro.spring.web.ShiroFilterFactoryBean;
import org.apache.shiro.web.mgt.DefaultWebSecurityManager;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.util.LinkedHashMap;
import java.util.Map;

@Configuration
public class ShiroConfig {

    //ShiroFilterFactoryBean  Shiro过滤的对象
    @Bean
    public ShiroFilterFactoryBean getShiroFilterFactoryBean(@Qualifier("securityManager")
                                                            DefaultWebSecurityManager securityManager) {
        ShiroFilterFactoryBean bean = new ShiroFilterFactoryBean();
      //设置安全管理器
        bean.setSecurityManager(securityManager);
        //添加shiro的内置过滤器
        /**
         * anon 无需认证就能访问
         * authc 必须认证了才能访问
         * user 必须拥有,记住我 功能才能使用
         * perms 拥有对某个资源的权限才能访问
         * role 拥有某个角色权限才能访问
         */
        Map<String, String> filterMap = new LinkedHashMap<String, String>();

        filterMap.put("user/add", "authc");
        filterMap.put("user/update", "authc");
//        filterMap.put("/*","authc");

        bean.setFilterChainDefinitionMap(filterMap);

//        设置登录的请求
        bean.setLoginUrl("/toLogin");
        return bean;
    }

    //DefaultWebSecurityManager :第2步
    @Bean(name = "securityManager")
    public DefaultWebSecurityManager getSecurityManager(@Qualifier("userRealm") UserRealm userRealm) {
        DefaultWebSecurityManager securityManager = new DefaultWebSecurityManager();
        //关联Userrealm
        securityManager.setRealm(userRealm);
        return securityManager;
    }

    // 创建realm对象 需要自定义类:第1步
    @Bean
    public UserRealm userRealm() {
        return new UserRealm();
    }
}